Multi-Tech Systems MT56DSU-S manual International Customers outside U.S.A. and Canada

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Chapter 5 - Service & Warranty

5.1.3 International Customers (outside U.S.A. and Canada)

Your original point of purchase reseller may offer the quickest and most economical repair option for your Multi-Tech product. You may also contact any Multi-Tech sales office for information about the nearest distributor or other repair service for your Multi-Tech product: www.multitech.com.

In the event that factory service is required, products may be shipped, freight prepaid, to our Mounds View, Minnesota, factory. Recommended international shipment methods are via Federal Express, UPS or DHL courier services, or by airmail parcel post; shipments made by any other method will be refused. A Returned Materials Authorization (RMA) is required for products shipped from outside the U.S.A. and Canada. Please contact us for return authorization and shipping instructions on any international shipments to the U.S.A.

Please include inside the shipping box a description of the problem, a return shipping address (must have street address, not P.O. Box), your telephone number, and if the product is out of warranty, a check drawn on a U.S. bank or your company’s purchase order for repair charges. Repaired units will be shipped freight collect, unless other arrangements are made in advance.

Please direct questions regarding technical matters, product configuration, verification that the product is defective, etc., to our Technical Support department nearest you, as listed at http://www.multitech.com/ COMPANY/offices/DEFAULT.ASP., or e-mail tsupport@multitech.com. When calling the U.S., please direct questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair Accounting department at +763 717-5631 in the U.S.A., or e-mail mtsrepair@multitech.com.

Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse, or user-caused damages are billed on a time-plus-materials basis.

5.1.4 International Distributors

Procedures for international distributors of Multi-Tech products are on the Distributor Web site at http:// www.multitech.com/PARTNERS/login/.

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Contents User Guide MT56DSU-S Syncronous 56K bps Data Service UnitRevision Date Description Contents Service & Warranty Introduction About This Manual IntroductionCSU/DSU Basics DescriptionDSU Functions CSU FunctionsFeatures Specifications Front & Back Panel Descriptions Front Panel Front Panel2 RS232 Connector Power ConnectorLine Connector Back PanelSwitch Settings Mode Position Description Switch SettingsShunts ShuntsUnpacking & Setup Unpacking Telecom Safety WarningsBack Panel Connections SetupV.35 Shunt Diagnostics Loopback Test Loopback Test DiagramDSU Loopback Test Line Loopback TestDSU Back-to-Back Test DSU Back-to-Back Test DiagramService & Warranty Warranty Multi-Tech Systems, Inc. Warranty & Repairs Policies2 U.S. and Canadian Customers International Distributors International Customers outside U.S.A. and CanadaRepair Procedures for International Customers Repair Procedures for U.S. and Canadian CustomersRepairs Internet Site Technical SupportAppendix Introduction Appendix a Application ExamplesLocal Area Data Set Application DDS Point-To-Point ApplicationFigure A-3. DDS Multipoint Polled Application DDS Multipoint Polled ApplicationRJ-48 Connector Appendix B Interface Signals and Connector PinoutsPin Description Signal DB25S ConnectorPin Description DB25S Connector with V.35 InterfaceBuild Instructions Loopback Cable MTS P/NBack-To-Back Cable MTS P/N Figure B-7. Back-toBack Cable ConnectorFCC Regulations for Telephone Line Interconnection Appendix C Regulatory InformationCanadian Limitations Notice S000327A
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